jQuery Uploadify在ASP.NET MVC3中的使用
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1、Uploadify简介
Uploadify是基于jQuery的一种上传插件,支持多文件、带进度条显示上传,在项目开发中常被使用。
Uploadify官方网址:http://www.uploadify.com/
2、ASP.NET MVC3中的使用Uploadify
搭建ASP.NET MVC3解决方案如下图,其中使用到的Uploadify为3.1版本:
1>、简单示例
_Layout.cshtml代码:
<!DOCTYPE html> <html> <head> <title>@ViewBag.Title</title> @RenderSection("Header") </head> <body> @RenderBody() </body> </html>
Index.cshtml代码:
@{ ViewBag.Title = "Index"; Layout = "~/Views/Shared/_Layout.cshtml"; } @section Header{ <link href="@Url.Content("~/Scripts/uploadify-v3.1/uploadify.css")" rel="stylesheet" type="text/css" /> <script src="@Url.Content("~/Scripts/jquery-1.8.1.min.js")" type="text/javascript"></script> <script src="@Url.Content("~/Scripts/uploadify-v3.1/jquery.uploadify-3.1.min.js")" type="text/javascript"></script> <script type="text/javascript"> $(function () { $(‘#file_upload‘).uploadify({ ‘swf‘ : ‘@Url.Content("~/Scripts/uploadify-v3.1/uploadify.swf")‘, ‘uploader‘ : ‘/Home/Upload‘ }); }); </script> <style type="text/css"> body { font-size: 12px; } .tip { height: 20px; border-bottom: 1px solid #CCC; margin-bottom: 10px; } </style> } <div class="tip"> jQuey Uploadify上传文件示例: </div> <input type="file" id="file_upload" name="file_upload" />
HomeController.cs代码:
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Mvc; using System.IO; namespace WebUI.Controllers { public class HomeController : Controller { // // GET: /Home/ public ActionResult Index() { return View(); } [AcceptVerbs(HttpVerbs.Post)] public JsonResult Upload(HttpPostedFileBase fileData) { if (fileData != null) { try { // 文件上传后的保存路径 string filePath = Server.MapPath("~/Uploads/"); if (!Directory.Exists(filePath)) { Directory.CreateDirectory(filePath); } string fileName = Path.GetFileName(fileData.FileName);// 原始文件名称 string fileExtension = Path.GetExtension(fileName); // 文件扩展名 string saveName = Guid.NewGuid().ToString() + fileExtension; // 保存文件名称 fileData.SaveAs(filePath + saveName); return Json(new { Success = true, FileName = fileName, SaveName = saveName }); } catch (Exception ex) { return Json(new { Success = false, Message = ex.Message }, JsonRequestBehavior.AllowGet); } } else { return Json(new { Success = false, Message = "请选择要上传的文件!" }, JsonRequestBehavior.AllowGet); } } } }
上传效果图:
2>、设置上传图片大小
ASP.NET MVC默认情况下,允许上传的文件大小最大为4MB。因此在默认情况下,Uploadify也只能最大上传4MB大小的文件,超过范围则会IO报错提示无法上传。
修改Web.config设置允许上传的最大文件大小:
<system.web> <!--设置最大允许上传文件大小1G--> <httpRuntime maxRequestLength= "102400" executionTimeout= "60" /> </system.web>
修改最大上传文件大小后效果:
3>、Uploadify常用属性设置
auto:是否选择文件后自动上传,默认为true。
@{ ViewBag.Title = "Index"; Layout = "~/Views/Shared/_Layout.cshtml"; } @section Header{ <link href="@Url.Content("~/Scripts/uploadify-v3.1/uploadify.css")" rel="stylesheet" type="text/css" /> <script src="@Url.Content("~/Scripts/jquery-1.8.1.min.js")" type="text/javascript"></script> <script src="@Url.Content("~/Scripts/uploadify-v3.1/jquery.uploadify-3.1.min.js")" type="text/javascript"></script> <script type="text/javascript"> $(function () { $(‘#file_upload‘).uploadify({ ‘auto‘ : false, ‘swf‘ : ‘@Url.Content("~/Scripts/uploadify-v3.1/uploadify.swf")‘, ‘uploader‘ : ‘/Home/Upload‘ }); }); </script> <style type="text/css"> body { font-size: 12px; } .tip { height: 20px; border-bottom: 1px solid #CCC; margin-bottom: 10px; } </style> } <div class="tip"> jQuey Uploadify上传文件示例: </div> <div> <input type="file" id="file_upload" name="file_upload" /> </div> <div> <a href="javascript:$(‘#file_upload‘).uploadify(‘upload‘);">上传</a> </div>
buttonText:设置上传按钮显示文字。
<script type="text/javascript"> $(function () { $(‘#file_upload‘).uploadify({ ‘buttonText‘ : ‘请选择上传文件‘, ‘swf‘ : ‘@Url.Content("~/Scripts/uploadify-v3.1/uploadify.swf")‘, ‘uploader‘ : ‘/Home/Upload‘ }); }); </script>
buttonImage:设置上传按钮背景图片。
@{ ViewBag.Title = "Index"; Layout = "~/Views/Shared/_Layout.cshtml"; } @section Header{ <link href="@Url.Content("~/Scripts/uploadify-v3.1/uploadify.css")" rel="stylesheet" type="text/css" /> <script src="@Url.Content("~/Scripts/jquery-1.8.1.min.js")" type="text/javascript"></script> <script src="@Url.Content("~/Scripts/uploadify-v3.1/jquery.uploadify-3.1.min.js")" type="text/javascript"></script> <script type="text/javascript"> $(function () { $(‘#file_upload‘).uploadify({ ‘buttonImage‘: ‘@Url.Content("~/Scripts/uploadify-v3.1/browse-btn.png")‘, ‘swf‘: ‘@Url.Content("~/Scripts/uploadify-v3.1/uploadify.swf")‘, ‘uploader‘: ‘/Home/Upload‘ }); }); </script> <style type="text/css"> body { font-size: 12px; } .tip { height: 20px; border-bottom: 1px solid #CCC; margin-bottom: 10px; } .uploadify-button { background-color: transparent; border: none; padding: 0; } .uploadify:hover .uploadify-button { background-color: transparent; } </style> } <div class="tip"> jQuey Uploadify上传文件示例: </div> <div> <input type="file" id="file_upload" name="file_upload" /> </div>
multi:是否允许一次选择多个文件一起上传,默认为true。
<script type="text/javascript"> $(function () { $(‘#file_upload‘).uploadify({ ‘buttonImage‘: ‘@Url.Content("~/Scripts/uploadify-v3.1/browse-btn.png")‘, multi: true, ‘swf‘: ‘@Url.Content("~/Scripts/uploadify-v3.1/uploadify.swf")‘, ‘uploader‘: ‘/Home/Upload‘ }); }); </script>
fileTypeDesc:设置允许上传图片格式描述;
fileTypeExts:设置允许上传图片格式。
<script type="text/javascript"> $(function () { $(‘#file_upload‘).uploadify({ ‘buttonImage‘: ‘@Url.Content("~/Scripts/uploadify-v3.1/browse-btn.png")‘, ‘fileTypeDesc‘: ‘图片文件‘, ‘fileTypeExts‘: ‘*.gif; *.jpg; *.png‘, ‘swf‘: ‘@Url.Content("~/Scripts/uploadify-v3.1/uploadify.swf")‘, ‘uploader‘: ‘/Home/Upload‘ }); }); </script>
removeCompleted:设置已完成上传的文件是否从队列中移除,默认为true。
$(function() { $("#file_upload").uploadify({ ‘removeCompleted‘ : false, ‘swf‘ : ‘/uploadify/uploadify.swf‘, ‘uploader‘ : ‘/uploadify/uploadify.php‘ }); });
queueSizeLimit:设置上传队列中同时允许的上传文件数量,默认为999。
$(function() { $("#file_upload").uploadify({ ‘queueSizeLimit‘ : 1, ‘swf‘ : ‘/uploadify/uploadify.swf‘, ‘uploader‘ : ‘/uploadify/uploadify.php‘ }); });
uploadLimit:设置允许上传的文件数量,默认为999。
$(function() { $("#file_upload").uploadify({ ‘swf‘ : ‘/uploadify/uploadify.swf‘, ‘uploader‘ : ‘/uploadify/uploadify.php‘, ‘uploadLimit‘ : 1 }); });
4>、Uploadify常用事件设置
onUploadComplete:单个文件上传完成时触发事件。
$(function() { $("#file_upload").uploadify({ ‘swf‘ : ‘/uploadify/uploadify.swf‘, ‘uploader‘ : ‘/uploadify/uploadify.php‘, ‘onUploadComplete‘ : function(file) { alert(‘The file ‘ + file.name + ‘ finished processing.‘); } }); });
onQueueComplete:队列中全部文件上传完成时触发事件。
$(function() { $("#file_upload").uploadify({ ‘swf‘ : ‘/uploadify/uploadify.swf‘, ‘uploader‘ : ‘/uploadify/uploadify.php‘, ‘onQueueComplete‘ : function(queueData) { alert(queueData.uploadsSuccessful + ‘ files were successfully uploaded.‘); } }); });
onUploadSuccess:单个文件上传成功后触发事件。
<script type="text/javascript"> $(function () { $(‘#file_upload‘).uploadify({ ‘buttonImage‘: ‘@Url.Content("~/Scripts/uploadify-v3.1/browse-btn.png")‘, ‘swf‘: ‘@Url.Content("~/Scripts/uploadify-v3.1/uploadify.swf")‘, ‘uploader‘: ‘/Home/Upload‘, ‘onUploadSuccess‘: function (file, data, response) { eval("data=" + data); alert(‘文件 ‘ + file.name + ‘ 已经上传成功,并返回 ‘ + response + ‘ 保存文件名称为 ‘ + data.SaveName); } }); }); </script>
4>、Uploadify常用方法
upload:上传文件
cancel:取消上传
@{ ViewBag.Title = "Index"; Layout = "~/Views/Shared/_Layout.cshtml"; } @section Header{ <link href="@Url.Content("~/Scripts/uploadify-v3.1/uploadify.css")" rel="stylesheet" type="text/css" /> <script src="@Url.Content("~/Scripts/jquery-1.8.1.min.js")" type="text/javascript"></script> <script src="@Url.Content("~/Scripts/uploadify-v3.1/jquery.uploadify-3.1.min.js")" type="text/javascript"></script> <script type="text/javascript"> $(function () { $(‘#file_upload‘).uploadify({ ‘auto‘ : false, ‘buttonImage‘ : ‘@Url.Content("~/Scripts/uploadify-v3.1/browse-btn.png")‘, ‘swf‘ : ‘@Url.Content("~/Scripts/uploadify-v3.1/uploadify.swf")‘, ‘uploader‘ : ‘/Home/Upload‘ }); }); </script> <style type="text/css"> body { font-size: 12px; } .tip { height: 20px; border-bottom: 1px solid #CCC; margin-bottom: 10px; } .uploadify-button { background-color: transparent; border: none; padding: 0; } .uploadify:hover .uploadify-button { background-color: transparent; } </style> } <div class="tip"> jQuey Uploadify上传文件示例: </div> <div> <input type="file" id="file_upload" name="file_upload" /> </div> <div> <a href="javascript:$(‘#file_upload‘).uploadify(‘upload‘);">上传第一个</a> <a href="javascript:$(‘#file_upload‘).uploadify(‘upload‘,‘*‘);">上传队列</a> <a href="javascript:$(‘#file_upload‘).uploadify(‘cancel‘);">取消第一个</a> <a href="javascript:$(‘#file_upload‘).uploadify(‘cancel‘, ‘*‘);">取消队列</a> </div>
3、示例代码附件
原文:http://www.cnblogs.com/zxtceq/p/7346527.html
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